1. Bioengineering, Orthopedics, and Pediatric Surgery Laboratory, Institute of Research,
2. Fetal Diagnosis and Therapy Program, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
3. Fetal Surgery Program, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Spain; and
4. Pediatric Pathology Department, and